ZDI-25-714: (0Day) Ashlar-Vellum Cobalt AR File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-7994.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-714?
The severity of ZDI-25-714 is high, as it allows remote code execution on affected systems.
How do I fix ZDI-25-714?
To fix ZDI-25-714, users should update Ashlar-Vellum Cobalt to the latest version provided by the vendor that addresses this vulnerability.
What are the consequences of ZDI-25-714?
Exploitation of ZDI-25-714 can lead to unauthorized access and control of the affected system.
Who is affected by ZDI-25-714?
Users of Ashlar-Vellum Cobalt are affected by ZDI-25-714.
What type of attack does ZDI-25-714 involve?
ZDI-25-714 involves remote attacks that require user interaction to exploit.